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 Makefile |   17 ++++++++++-------
 1 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/Makefile b/Makefile
index 2964607..fb4ece8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,10 @@
-CC=gcc
-CFLAGS=-Wall -Werror -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wcast-qual -Wswitch -Wshadow -Wcast-align -Wno-unused-parameter -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls
+CC ?=gcc
+CFLAGS ?=-Wall -Werror -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wcast-qual -Wswitch -Wshadow -Wcast-align -Wno-unused-parameter -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls
 INSTALL=install
-LDFLAGS=
+LDFLAGS ?=
 SOURCES=psinfo.c
 EXECUTABLE=psinfo
-TARGETDIR=/usr/local/bin
+TARGETDIR=/usr/bin
 
 all: $(EXECUTABLE)
 
@@ -12,7 +12,10 @@ clean:
 	rm -f $(EXECUTABLE)	
 
 install: $(EXECUTABLE)
-	$(INSTALL) -m 755 psinfo $(TARGETDIR)
+	$(INSTALL) -D -m 755 psinfo $(DESTDIR)/$(TARGETDIR)/$(EXECUTABLE)
 
-$(EXECUTABLE): $(SOURCES)
-	$(CC) $(CFLAGS) -o $@ $(SOURCES) $(LDFLAGS)
+$(EXECUTABLE): psinfo.o
+	$(CC) $(LDFLAGS) -o $@ psinfo.o
+
+psinfo.o: psinfo.c
+	$(CC) $(CFLAGS) -c psinfo.c